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Are low blood urate levels linked to a higher risk of premature death?


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New research published in Arthritis & Rheumatology suggests that adults with low blood levels of urate, a breakdown product of metabolism, may be at higher risk of having low skeletal muscle mass and strength and may face a higher risk of early death.

The study used 1999–2006 data from the National Health and Nutrition Examination Survey. Among 13,979 participants aged 20 years and older, low blood urate concentrations were associated with low lean mass, underweight body mass index, and higher rates of weight loss. Low blood urate was associated with a 61% higher risk of death (through 2015) before adjusting for body composition, but risk was non-significant after adjusting for body composition and weight loss.

“These observations support what many have intuited, namely that people with low serum urate levels have higher mortality and worse outcomes not because low urate is bad for health, but rather that low urate levels tend to occur among sicker people, who have lost weight and have adverse ,” said lead author Joshua F. Baker, MD, MSCE, of the University of Pennsylvania. “While this doesn’t disprove a causal association, it does suggest that great care is needed in interpreting epidemiologic associations between urate levels and .”


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More information:
Joshua F. Baker et al, Associations between low serum urate, body composition, and mortality, Arthritis & Rheumatology (2022). DOI: 10.1002/art.42301

Citation:
Are low blood urate levels linked to a higher risk of premature death? (2022, August 17)
retrieved 17 August 2022
from https://medicalxpress.com/news/2022-08-blood-urate-linked-higher-premature.html

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